---
id: CVE-2026-79389
title: >-
  Trueview T18161 S 6.0.23.4 contains an improper verification in MQTT command
  processing
summary: >-
  Trueview T18161 S 6.0.23.4 contains an improper verification in MQTT command
  processing. An attacker with network access can replay or modify captured MQTT
  messages, including security-related nonce, timestamp, and signature fields,
  and …
severity: high
cvss: 7.4
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-347
published: '2026-09-04'
updated: '2026-09-14'
sourceUpdated: '2026-09-14T14:17:10.320'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-79389'
references:
  - url: 'https://github.com/EmbdCDACHyd/CVE/tree/main/CVE-2026-79389'
    label: cve@mitre.org
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-14T13:12:03.986560Z'
epss: 0.00214
epssPercentile: 0.10439
ingestedAt: '2026-09-08T20:10:03.168Z'
---

## Overview

Trueview T18161 S 6.0.23.4 contains an improper verification in MQTT command processing. An attacker with network access can replay or modify captured MQTT messages, including security-related nonce, timestamp, and signature fields, and the device accepts the modified messages and executes the associated commands.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.